In the second video, they build a "portable" rocket mass heater using a "shippable" rocket stove made from cast high temp refractory cement. I was wondering if this is available to purchase and how much it would cost and an estimate on the shipping costs as well
If we don't do the shopping, we won't have anything for dinner. And I've invited this tiny ad:
All of the video from the Eat Your Dirt Summit - more than 42 hours!
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